Chromium Code Reviews Chromium Code Reviews
Issue 157363003:
Implement Blob.close(). (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master| Index: LayoutTests/fast/files/blob-close-revoke.html |
| diff --git a/LayoutTests/fast/files/blob-close-revoke.html b/LayoutTests/fast/files/blob-close-revoke.html |
| new file mode 100644 |
| index 0000000000000000000000000000000000000000..320db48773356455738ec9143e01eb262c58ff73 |
| --- /dev/null |
| +++ b/LayoutTests/fast/files/blob-close-revoke.html |
| @@ -0,0 +1,122 @@ |
| +<!doctype html> |
| +<script src="../../resources/js-test.js"></script> |
| +<script src="resources/read-common.js"></script> |
| +<script> |
| +description("Test the Blob.close() method, revoking."); |
| + |
| +window.jsTestIsAsync = true; |
| + |
| +function base64ToUint8Array(a) |
| +{ |
| + var binary = window.atob(a); |
| + var buffer = new Uint8Array(binary.length); |
| + for (var i = 0; i < binary.length; i++) |
| + buffer[i] = binary.charCodeAt(i); |
| + |
| + return buffer; |
| +} |
| + |
| +var pngBase64 = "iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAIAAAD/gAIDAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAnklEQVR42u3QMQEAAAgDoGlyo1vBzwciUJlw1ApkyZIlS5YsBbJkyZIlS5YCWbJkyZIlS4EsWbJkyZKlQJYsWbJkyVIgS5YsWbJkKZAlS5YsWbIUyJIlS5YsWQpkyZIlS5YsBbJkyZIlS5YCWbJkyZIlS4EsWbJkyZKlQJYsWbJkyVIgS5YsWbJkKZAlS5YsWbIUyJIlS5YsWQpkyfq2MosBSIeKONMAAAAASUVORK5CYII="; |
| + |
| +var blobContents = [base64ToUint8Array(pngBase64)]; |
| + |
| +var blob; |
| +var blobURL1; |
| +var blobURL2; |
| +var img; |
| +var worker; |
| +var blobURLs = []; |
| + |
| +function testRevokeAfterCloseWorkers() |
| +{ |
| + debug("Test that dereferencing URLs referring to closed Blobs fail, workers."); |
| + blob = new Blob(["postMessage('FAIL');"], {type: "application/javascript"}); |
| + for (var i = 0; i < 10; i++) |
| + blobURLs.push(window.URL.createObjectURL(blob)); |
| + |
| + function onClosedError() { |
| + testPassed("Error triggered on starting Worker from a closed Blob."); |
| + testNextWorker(); |
| + } |
| + function onClosedMessage() { |
| + testFailed("Worker loaded."); |
| + testNextWorker(); |
| + } |
| + // Initial event handler, checking that the Blob |
| + // could be loaded. Close it after that and verify |
| + // that the rest aren't usable. |
| + function onNonClosedError() { |
| + testFailed("Worker failed to load from Blob."); |
| + blob.close(); |
| + // Now check that URLs have become now inaccessible. |
|
kinuko
2014/02/21 15:40:49
(optional) Really a nit-picky comment, but having
sof
2014/02/21 16:02:44
Done that + added a comment above them explaining
|
| + testNextWorker(); |
| + } |
| + function onNonClosedMessage() { |
| + testPassed("Worker loaded."); |
| + blob.close(); |
| + testNextWorker(); |
| + } |
| + |
| + function testNextWorker(onerror, onmessage) { |
| + var u = blobURLs.shift(); |
| + if (u) { |
| + worker = new Worker(u); |
| + worker.onerror = onerror ? onerror : onClosedError; |
| + worker.onmessage = onmessage ? onmessage : onClosedMessage; |
| + } else { |
| + runNextTest(); |
| + } |
| + } |
| + testNextWorker(onNonClosedError, onNonClosedMessage); |
| +} |
| + |
| +function testRevokeAfterClose() |
| +{ |
| + debug("Test that dereferencing URLs referring to closed Blobs fail."); |
| + blob = new Blob(blobContents, {type: "image/png"}); |
| + img = document.createElement("img"); |
| + img.onerror = function (e) { |
| + testPassed("Error triggered on loading image from closed Blob."); |
| + runNextTest(); |
| + }; |
| + img.onload = function () { |
| + testFailed("Image loaded"); |
| + runNextTest(); |
| + }; |
| + blobURL1 = window.URL.createObjectURL(blob); |
| + // create some more Blob URLs. |
| + for (var i = 0; i < 10; i++) |
| + window.URL.createObjectURL(blob); |
| + // Make them all inaccessible. |
| + blob.close(); |
| + img.src = blobURL1; |
| +} |
| + |
| +function testRegisterAfterClose() |
| +{ |
| + debug("Test creating object URLs on closed Blobs"); |
| + blob = new Blob(["body{background: green}"], {type: "text/css"}); |
| + blobURL1 = window.URL.createObjectURL(blob); |
| + blob.close(); |
| + blobURL2 = window.URL.createObjectURL(blob); |
| + shouldBeTrue("blobURL1 !== blobURL2"); |
| + shouldBeTrue("blobURL2.length > 0"); |
| + runNextTest(); |
| +} |
| + |
| +var tests = [ |
| + testRevokeAfterClose, |
| + testRevokeAfterCloseWorkers, |
| + testRegisterAfterClose ]; |
| + |
| +function runNextTest() |
| +{ |
| + if (!tests.length) { |
| + finishJSTest(); |
| + return; |
| + } |
| + tests.shift()(); |
| +} |
| +</script> |
| +<body onload="runNextTest()"> |
| +</body> |
